CN102877582A - Composite floor with steel bar trusses, profiled steel plate and regenerated concrete, and manufacturing method for composite floor - Google Patents
Composite floor with steel bar trusses, profiled steel plate and regenerated concrete, and manufacturing method for composite floor Download PDFInfo
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- CN102877582A CN102877582A CN2012103904193A CN201210390419A CN102877582A CN 102877582 A CN102877582 A CN 102877582A CN 2012103904193 A CN2012103904193 A CN 2012103904193A CN 201210390419 A CN201210390419 A CN 201210390419A CN 102877582 A CN102877582 A CN 102877582A
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Abstract
The invention relates to a composite floor with steel bar trusses, a profiled steel plate and regenerated concrete, and a manufacturing method for the composite floor. The composite floor mainly comprises the profiled steel plate, the regenerated concrete poured on the profiled steel plate, the inclined grid type steel bar trusses and transversely distributed bars, wherein the profiled steel plate is paved on a steel beam of a steel structure main body; the bottom of the profiled steel plate is fixedly connected with the steel beam; each inclined grid type steel bar truss is arranged on each wave groove or isolation groove of the profiled steel plate and consists of a snake-shaped steel bar, a plate bottom stressing bar and an upper longitudinal steel bar which are welded with one another; and the transversely distributed bars are arranged on the inclined grid type steel bar trusses and are connected to the inclined grid type steel bar trusses in a bound manner. By the composite floor, the anti-shearing bearing capacity of the inclined section of a composite plate can be improved; and the composite floor is suitable for industrial and civil buildings with relatively high requirements on the bearing capacity of floors.
Description
Technical field
The present invention relates to a kind of band steel bar girder-profiled sheet-regeneration concrete composite floor and preparation method thereof, belong to a kind of composite floor and preparation method thereof.
Background technology
In recent years, Profiled Steel Sheet and Concrete Composite Floor more and more is applied in the middle of industry and the civilian construction.Profiled Steel Sheet and Concrete Composite Floor medium-pressure type steel plate can doublely play the permanent formwork effect in the construction stage, and can be used as working platform, easy construction, reduction of erection time; In operational phase, profiled sheet is subjected at the bottom of as plate lacing wire and concrete acting in conjunction to produce combined effect.Recycled concrete can be realized the recycling to building waste, can play the effect of protection of the environment when economizing on resources, and is one of major measure that realizes building, resource, environment sustainable development.
The ultimate bearing capacity of Profiled Steel Sheet and Concrete Composite Floor is controlled by Bend bearing capacity and superposed surfaces longitudinal shear bearing capacity generally speaking, but when the rise-span ratio of compoboard is large, load more greatly, especially under Concentrated load, the sloping section shear failure at bearing maximum shear place easily occurs.Therefore compoboard should possess enough shear Capacities.Common Profiled Steel Sheet and Concrete Composite Floor concrete only provides shear Capacity by concrete and profiled sheet, the shear behavior of regeneration concrete is weaker than ordinary concrete, should take new measure to strengthen its shear resistance when in floor, using, before the destruction that bends, shear failure not occur by existing concrete structure design method design to guarantee it.
Summary of the invention
The present invention proposes a kind of band steel bar girder-profiled sheet-regeneration concrete composite floor and job practices thereof, proposition utilizes recycled concrete to realize the recycling of discarded concrete in Profiled Steel Sheet and Concrete Composite Floor, under prerequisite cheaply, in composite floor, set up steel bar girder, improve the composite floor shear Capacity.
The technical solution used in the present invention is as follows:
A kind of band steel bar girder-profiled sheet-regeneration concrete composite floor, main by profiled sheet, build the regeneration concrete on profiled sheet, oblique lattice type steel bar truss and cross direction profiles muscle and form; Profiled sheet is layed on the girder steel of steel work main body, the profiled sheet bottom is fixedly connected with girder steel, each wave trough of profiled sheet or separate slot are placed an oblique lattice type steel bar truss, oblique lattice type steel bar truss is combined by lacing wire and the welding of top longitudinal reinforcement at the bottom of by snakelike reinforcing bar, plate, the cross direction profiles muscle is erected on the oblique lattice type steel bar truss, and connects by colligation.
Further, the form of described profiled sheet is open-type, reducing type and closed type.
Further, the form of described oblique lattice type steel bar truss is: reinforcing bar is bent into snakelike reinforcing bar along 45 degree, and snakelike reinforcing bar bending place is subjected to lacing wire and top longitudinal reinforcement at the bottom of being welded in respectively plate, forms a whole truss.
Further, described profiled sheet is welded and fixed by peg and girder steel, and peg burn-through profiled sheet is welded on the girder steel.
Further; described oblique lattice type steel bar truss welds intact being placed in the profiled sheet wave trough in advance; oblique lattice type steel bar depth of truss is decided on composite floor thickness; being subjected to lacing wire at the bottom of the oblique lattice type steel bar truss plate is 10-15mm apart from the distance of composite floor base pressure shape steel plate, and composite floor upper protective layer thickness is 15mm.
Above-mentioned preparation method with steel bar girder-profiled sheet-regeneration concrete composite floor is as follows:
Step 1: process oblique lattice type steel bar truss in reinforcement yard or job site reinforcing steel processing shed, reinforcing bar is bent into snakelike reinforcing bar along 45 degree, be subjected to lacing wire and top longitudinal reinforcement at the bottom of snakelike reinforcing bar inflection point is located to be welded in plate;
Step 2: the girder steel in the steel work main body is laid profiled sheet, and the side sets up and shores under the profiled sheet between the girder steel;
Step 3: profiled sheet is welded and fixed profiled sheet after laying and finishing with peg and girder steel;
Step 4: place an oblique lattice type steel bar truss at each wave trough of profiled sheet or separate slot.
Step 5: place the cross direction profiles muscle, colligation is on oblique lattice type steel bar truss;
Step 6: to oblique lattice type steel bar truss, shore check and accept errorless after, on profiled sheet, build regeneration concrete.
Step 7: the maintenance of sprinkling water after the regeneration concrete final set, curing time is no less than 7 days;
Step 8: after regeneration concrete reaches design limit compressive strength, remove and shore.
Beneficial effect of the present invention is as follows:
Utilize the regeneration concrete material, when economizing on resources, play the effect of protection of the environment, have obvious economic benefit and environmental benefit.In the profiled sheet wave trough, place oblique lattice type steel bar truss, concrete, profiled sheet and oblique lattice type steel bar truss shared compoboard bearing place shearing, the compoboard shear Capacity is improved.Steel bar girder places in the concrete slab, can play the effect that improves concrete compression district, top performance, improves the ductile performance of concrete slab.Oblique lattice type steel bar truss and concrete slab top distribution bar link together, and can also play the effect of stationary distribution muscle position.Consider the compound action of profiled sheet and regeneration concrete, increase oblique lattice type steel bar truss, reinforcement ratio obviously reduces when guaranteeing the Shear bearing capacity, has certain economic benefit.
Description of drawings
Fig. 1: band steel bar girder-profiled sheet-regeneration concrete composite floor structural representation.
Fig. 2: the structural representation of 1-1 section among Fig. 1.
Reference numeral: be subjected to lacing wire, 7-flitch, 8-horizontal support bar, the vertical bar of 9-, 10-profiled sheet, 11-regeneration concrete, the oblique lattice type steel bar truss of 12-at the bottom of 1-girder steel, 2-peg, 3-longitudinal reinforcement, 4-cross direction profiles muscle, the snakelike reinforcing bar of 5-, the 6-plate.
The specific embodiment
Shown in Fig. 1-2, a kind of band steel bar girder-profiled sheet of the present invention-regeneration concrete composite floor, main by profiled sheet 10, build the regeneration concrete 11 on profiled sheet 10, oblique lattice type steel bar truss 12 and cross direction profiles muscle 4 and form; Profiled sheet 10 is layed on the girder steel 1 of steel work main body, profiled sheet 10 bottoms are fixedly connected with girder steel 1, each wave trough of profiled sheet 10 or separate slot are placed an oblique lattice type steel bar truss 12, oblique lattice type steel bar truss 12 is combined by lacing wire 6 and 3 welding of top longitudinal reinforcement at the bottom of by snakelike reinforcing bar 5, plate, concrete slab upper lateral distribution bar 4 is erected on the oblique lattice type steel bar truss 12, and connects by colligation.
Wherein, the form of profiled sheet 10 can be open-type, reducing type and closed type, and as shown in Figure 2, the present embodiment medium-pressure type steel plate 10 is a kind of open-type profiled sheet.And the form of oblique lattice type steel bar truss 12 is: reinforcing bar is bent into snakelike reinforcing bar 5 along 45 degree, and snakelike reinforcing bar 5 bending places are subjected to lacing wire 6 and top longitudinal reinforcement 3 at the bottom of being welded in respectively plate, form a whole truss.Profiled sheet 10 is welded and fixed by peg 2 and girder steel 1, and peg 2 burn-through profiled sheets 10 are welded on the girder steel 1.Oblique lattice type steel bar truss 12 welds intact being placed in profiled sheet 10 wave troughs in advance; oblique lattice type steel bar truss 12 is highly decided on composite floor thickness; being subjected to lacing wire 6 at the bottom of oblique lattice type steel bar truss 12 plates is 10-15mm apart from the distance of composite floor base pressure shape steel plate 10, and composite floor upper protective layer thickness is 15mm.In the present embodiment, shore mainly by flitch 7, horizontal support bar 8 and vertical bar 9 and form.
Above-mentioned preparation method with steel bar girder-profiled sheet-regeneration concrete composite floor is as follows:
Step 1: process oblique lattice type steel bar truss 12 in reinforcement yard or job site reinforcing steel processing shed, reinforcing bar is bent into snakelike reinforcing bar 5 along 45 degree, be subjected to lacing wire 6 and top longitudinal reinforcement 3 at the bottom of snakelike reinforcing bar 5 inflection points are located to be welded in plate;
Step 2: the girder steel 1 in the steel work main body is laid profiled sheet 10, and the side sets up and shores under the profiled sheet 10 between the girder steel 1;
Step 3: after profiled sheet 10 is laid and finished, profiled sheet 10 usefulness pegs 2 are welded and fixed with girder steel 1;
Step 4: place an oblique lattice type steel bar truss 12 at profiled sheet 10 each wave trough or separate slot.
Step 5: place upper lateral distribution bar 4, colligation is on oblique lattice type steel bar truss 12;
Step 6: to oblique lattice type steel bar truss 12, shore check and accept errorless after, on profiled sheet 10, build regeneration concrete 11.
Step 7: the maintenance of sprinkling water after regeneration concrete 11 final set, curing time is no less than 7 days;
Step 8: after regeneration concrete 11 reaches design limit compressive strength, remove and shore.
More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.
Claims (6)
1. band steel bar girder-profiled sheet-regeneration concrete composite floor is characterized in that: mainly be comprised of profiled sheet (10), regeneration concrete (11), oblique lattice type steel bar truss (12) and the cross direction profiles muscle (4) of building on profiled sheet (10); Profiled sheet (10) is layed on the girder steel (1) of steel work main body, profiled sheet (10) bottom is fixedly connected with girder steel (1), each wave trough of profiled sheet (10) or separate slot are placed an oblique lattice type steel bar truss (12), oblique lattice type steel bar truss (12) is combined by lacing wire (6) and top longitudinal reinforcement (3) welding at the bottom of by snakelike reinforcing bar (5), plate, cross direction profiles muscle (4) is erected on the oblique lattice type steel bar truss (12), and connects by colligation.
2. a kind of band steel bar girder-profiled sheet according to claim 1-regeneration concrete composite floor, it is characterized in that: the form of described profiled sheet (10) is open-type, reducing type and closed type.
3. a kind of band steel bar girder-profiled sheet according to claim 1-regeneration concrete composite floor, it is characterized in that: the form of described oblique lattice type steel bar truss (12) is: reinforcing bar is bent into snakelike reinforcing bar (5) along 45 degree, snakelike reinforcing bar (5) bending place is subjected to lacing wire (6) and top longitudinal reinforcement (3) at the bottom of being welded in respectively plate, forms a whole truss.
4. a kind of band steel bar girder-profiled sheet according to claim 1-regeneration concrete composite floor, it is characterized in that: described profiled sheet (10) is welded and fixed by peg (2) and girder steel (1), and peg (2) burn-through profiled sheet (10) is welded on the girder steel (1).
5. a kind of band steel bar girder-profiled sheet according to claim 1-regeneration concrete composite floor; it is characterized in that: described oblique lattice type steel bar truss (12) welds intact being placed in profiled sheet (10) wave trough in advance; being subjected to lacing wire (6) at the bottom of oblique lattice type steel bar truss (12) plate is 10-15mm apart from the distance of composite floor base pressure shape steel plate (10), and composite floor upper protective layer thickness is 15mm.
6. arbitrary described a kind of preparation method with steel bar girder-profiled sheet-regeneration concrete composite floor according to claim 1-5 is characterized in that: concrete making step is as follows:
Step 1: process oblique lattice type steel bar truss (12) in reinforcement yard or job site reinforcing steel processing shed, reinforcing bar is bent into snakelike reinforcing bar (5) along 45 degree, is subjected to lacing wire (6) and top longitudinal reinforcement (3) at the bottom of snakelike reinforcing bar (5) inflection point is located to be welded in plate;
Step 2: the girder steel (1) in the steel work main body is laid profiled sheet (10), and the side sets up and shores under the profiled sheet (10) between the girder steel (1);
Step 3: profiled sheet (10) is welded and fixed profiled sheet (10) after laying and finishing with peg (2) and girder steel (1);
Step 4: place an oblique lattice type steel bar truss (12) at each wave trough of profiled sheet (10) or separate slot;
Step 5: place cross direction profiles muscle (4), colligation is on oblique lattice type steel bar truss (12);
Step 6: to oblique lattice type steel bar truss (12), shore check and accept errorless after, on profiled sheet (10), build regeneration concrete (11);
Step 7: the maintenance of sprinkling water after regeneration concrete (11) final set, curing time is no less than 7 days;
Step 8: after regeneration concrete (11) reaches design limit compressive strength, remove and shore.
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| CN201210390419.3A CN102877582B (en) | 2012-10-16 | 2012-10-16 | Composite floor with steel bar trusses, profiled steel plate and regenerated concrete, and manufacturing method for composite floor |
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| CN102877582A true CN102877582A (en) | 2013-01-16 |
| CN102877582B CN102877582B (en) | 2015-04-29 |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046679A (en) * | 2013-01-22 | 2013-04-17 | 江苏银环新型建材科技有限公司 | Reinforcement steel bar template for concrete molding |
| CN103233537A (en) * | 2013-04-27 | 2013-08-07 | 杨众 | Heavy-load superimposed overhead terrace and construction method |
| CN103741877A (en) * | 2013-12-30 | 2014-04-23 | 北京工业大学 | Lattice anti-shearing device-steel-profiled steel plate-renewable concrete combination beam and production method |
| CN103741857A (en) * | 2014-01-26 | 2014-04-23 | 江苏中宝钢构有限公司 | Floor system with U-shaped steel beams, steel bar trusses and floor bearing plates |
| CN105064720A (en) * | 2015-07-21 | 2015-11-18 | 中铁城建集团南昌建设有限公司 | Self-supporting steel bar truss floor support plate support structure |
| CN105821989A (en) * | 2016-04-18 | 2016-08-03 | 杭萧钢构股份有限公司 | Assembly type steel pipe bundle concrete shear wall structure system and construction method thereof |
| CN106368363A (en) * | 2016-10-11 | 2017-02-01 | 重庆镪镔实业股份有限公司 | Steel bar truss and floor support plate mounting method |
| CN106677398A (en) * | 2016-12-08 | 2017-05-17 | 青岛蓝天创先科技服务有限公司 | Composite floor jointly stressed by corrugated steel and cast-in-place reinforced concrete |
| CN107100367A (en) * | 2017-05-22 | 2017-08-29 | 中城建设有限责任公司 | A kind of construction method of suspension type platform for equipment interlayer |
| CN107119910A (en) * | 2017-05-22 | 2017-09-01 | 中城建设有限责任公司 | A kind of suspension type platform for equipment interlayer |
| CN109265035A (en) * | 2018-10-19 | 2019-01-25 | 沈阳建筑大学 | A kind of regeneration concrete material and the preparation method and application thereof |
| CN109469242A (en) * | 2018-10-30 | 2019-03-15 | 浙江中南建设集团有限公司 | A kind of profiled sheet-regeneration concrete composite floor and its construction method |
| CN109914666A (en) * | 2019-04-03 | 2019-06-21 | 江铃汽车集团江西工程建设有限公司 | Profiled sheet Combined concrete flooring large area pouring construction method |
| CN111910814A (en) * | 2020-08-18 | 2020-11-10 | 中建八局第二建设有限公司 | Construction method of steel bar truss floor bearing plate |
| CN112095877A (en) * | 2020-08-28 | 2020-12-18 | 中冶(上海)钢结构科技有限公司 | Steel bar net type floor support plate and mounting method thereof |
| CN113356052A (en) * | 2021-07-28 | 2021-09-07 | 南通装配式建筑与智能结构研究院 | Novel steel bar truss superposed bridge deck and production method |
| CN113374168A (en) * | 2021-07-28 | 2021-09-10 | 南通装配式建筑与智能结构研究院 | Novel steel bar truss coincide floor |
| CN113931363A (en) * | 2021-10-27 | 2022-01-14 | 中铁三局集团建筑安装工程有限公司 | Construction method of steel truss and profiled steel plate concrete composite floor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675238A (en) * | 1984-06-06 | 1987-06-23 | Roll Form Products, Inc. | Metal decking |
| CN1263974A (en) * | 2000-03-10 | 2000-08-23 | 张佩生 | Steel-concrete combined struture system for residential buildings |
| CN101565983A (en) * | 2009-05-22 | 2009-10-28 | 郭生栋 | Profiled steel sheet |
| CN101839033A (en) * | 2010-06-22 | 2010-09-22 | 中国建筑第二工程局有限公司 | Closed profiled steel sheet-concrete composite floor and construction method thereof |
| CN101949191A (en) * | 2010-09-06 | 2011-01-19 | 中国建筑第八工程局有限公司 | Method for constructing unsupported super-long irregularly-shaped overhanging floor |
-
2012
- 2012-10-16 CN CN201210390419.3A patent/CN102877582B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675238A (en) * | 1984-06-06 | 1987-06-23 | Roll Form Products, Inc. | Metal decking |
| CN1263974A (en) * | 2000-03-10 | 2000-08-23 | 张佩生 | Steel-concrete combined struture system for residential buildings |
| CN101565983A (en) * | 2009-05-22 | 2009-10-28 | 郭生栋 | Profiled steel sheet |
| CN101839033A (en) * | 2010-06-22 | 2010-09-22 | 中国建筑第二工程局有限公司 | Closed profiled steel sheet-concrete composite floor and construction method thereof |
| CN101949191A (en) * | 2010-09-06 | 2011-01-19 | 中国建筑第八工程局有限公司 | Method for constructing unsupported super-long irregularly-shaped overhanging floor |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103046679A (en) * | 2013-01-22 | 2013-04-17 | 江苏银环新型建材科技有限公司 | Reinforcement steel bar template for concrete molding |
| CN103233537A (en) * | 2013-04-27 | 2013-08-07 | 杨众 | Heavy-load superimposed overhead terrace and construction method |
| CN103741877B (en) * | 2013-12-30 | 2016-07-06 | 北京工业大学 | Ladder lattice shear resistance system-steel-profiled sheet-regeneration concrete combination beam and the practice |
| CN103741877A (en) * | 2013-12-30 | 2014-04-23 | 北京工业大学 | Lattice anti-shearing device-steel-profiled steel plate-renewable concrete combination beam and production method |
| CN103741857A (en) * | 2014-01-26 | 2014-04-23 | 江苏中宝钢构有限公司 | Floor system with U-shaped steel beams, steel bar trusses and floor bearing plates |
| CN103741857B (en) * | 2014-01-26 | 2016-05-11 | 江苏中宝钢构有限公司 | U-shaped girder steel and steel bar truss floor support plate floor system |
| CN105064720B (en) * | 2015-07-21 | 2017-05-17 | 中铁城建集团南昌建设有限公司 | Self-supporting steel bar truss floor support plate support structure |
| CN105064720A (en) * | 2015-07-21 | 2015-11-18 | 中铁城建集团南昌建设有限公司 | Self-supporting steel bar truss floor support plate support structure |
| CN105821989A (en) * | 2016-04-18 | 2016-08-03 | 杭萧钢构股份有限公司 | Assembly type steel pipe bundle concrete shear wall structure system and construction method thereof |
| CN106368363A (en) * | 2016-10-11 | 2017-02-01 | 重庆镪镔实业股份有限公司 | Steel bar truss and floor support plate mounting method |
| CN106677398A (en) * | 2016-12-08 | 2017-05-17 | 青岛蓝天创先科技服务有限公司 | Composite floor jointly stressed by corrugated steel and cast-in-place reinforced concrete |
| CN107100367A (en) * | 2017-05-22 | 2017-08-29 | 中城建设有限责任公司 | A kind of construction method of suspension type platform for equipment interlayer |
| CN107119910A (en) * | 2017-05-22 | 2017-09-01 | 中城建设有限责任公司 | A kind of suspension type platform for equipment interlayer |
| CN109265035A (en) * | 2018-10-19 | 2019-01-25 | 沈阳建筑大学 | A kind of regeneration concrete material and the preparation method and application thereof |
| CN109469242A (en) * | 2018-10-30 | 2019-03-15 | 浙江中南建设集团有限公司 | A kind of profiled sheet-regeneration concrete composite floor and its construction method |
| CN109914666A (en) * | 2019-04-03 | 2019-06-21 | 江铃汽车集团江西工程建设有限公司 | Profiled sheet Combined concrete flooring large area pouring construction method |
| CN111910814A (en) * | 2020-08-18 | 2020-11-10 | 中建八局第二建设有限公司 | Construction method of steel bar truss floor bearing plate |
| CN112095877A (en) * | 2020-08-28 | 2020-12-18 | 中冶(上海)钢结构科技有限公司 | Steel bar net type floor support plate and mounting method thereof |
| CN113356052A (en) * | 2021-07-28 | 2021-09-07 | 南通装配式建筑与智能结构研究院 | Novel steel bar truss superposed bridge deck and production method |
| CN113374168A (en) * | 2021-07-28 | 2021-09-10 | 南通装配式建筑与智能结构研究院 | Novel steel bar truss coincide floor |
| CN113931363A (en) * | 2021-10-27 | 2022-01-14 | 中铁三局集团建筑安装工程有限公司 | Construction method of steel truss and profiled steel plate concrete composite floor |
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